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- W4224273392 abstract "Tracking how individual human brains change over extended timescales is crucial to clinical scenarios ranging from stroke recovery to healthy aging. The use of resting state (RS) activity for tracking is a promising possibility. However, it is unresolved how a person's RS activity over time can be decoded to distinguish neurophysiological changes from confounding cognitive variability. Here, we develop a method to screen RS activity changes for these confounding effects by formulating it as a problem of change classification. We demonstrate a novel solution to change classification by linking individual-specific change to inter-individual differences. Individual RS-electroencephalography (EEG) was acquired over 5 consecutive days including task states devised to simulate the effects of inter-day cognitive variation. As inter-individual differences are shaped by neurophysiological differences, the inter-individual differences in RS activity on 1 day were analysed (using machine learning) to identify distinctive configurations in each individual's RS activity. Using this configuration as a decision rule, an individual could be re-identified from 2-s samples of the instantaneous oscillatory power spectrum acquired on a different day both from RS and confounded RS with a limited loss in accuracy. Importantly, the low loss in accuracy in cross-day versus same-day classification was achieved with classifiers that combined information from multiple frequency bands at channels across the scalp (with a concentration at characteristic fronto-central and occipital zones). Taken together, these findings support the technical feasibility of screening RS activity for confounding effects and the suitability of longitudinal RS for robust individualized inferences about neurophysiological change in health and disease." @default.
- W4224273392 created "2022-04-26" @default.
- W4224273392 creator A5006680648 @default.
- W4224273392 creator A5072000397 @default.
- W4224273392 creator A5087897174 @default.
- W4224273392 date "2022-05-03" @default.
- W4224273392 modified "2023-10-15" @default.
- W4224273392 title "Robustness of individualized inferences from longitudinal resting state EEG dynamics" @default.
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- W4224273392 doi "https://doi.org/10.1111/ejn.15673" @default.
- W4224273392 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35445438" @default.
- W4224273392 hasPublicationYear "2022" @default.
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